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The patent EP3585320 was granted to Bolton Medical on Jul 9, 2025. The application was filed on Feb 23, 2018 under application number EP18709882A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| COOK MEDICAL | Apr 27, 2023 | WILLIAMS POWELL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2017US25844 |
| DESCRIPTION | WO2017US25849 |
| DESCRIPTION | WO2017US25912 |
| DESCRIPTION | WO2017US34223 |
| DESCRIPTION | WO2017US46062 |
| DESCRIPTION | US7763063 |
| DESCRIPTION | US8007605 |
| DESCRIPTION | US8062345 |
| DESCRIPTION | US8062349 |
| DESCRIPTION | US8070790 |
| DESCRIPTION | US8292943 |
| DESCRIPTION | US8308790 |
| DESCRIPTION | US8449595 |
| DESCRIPTION | US8500792 |
| DESCRIPTION | US8636788 |
| DESCRIPTION | US8740963 |
| DESCRIPTION | US8998970 |
| DESCRIPTION | US9101506 |
| DESCRIPTION | US9173755 |
| DESCRIPTION | US9198786 |
| DESCRIPTION | US9220617 |
| DESCRIPTION | US9320631 |
| DESCRIPTION | US9333104 |
| DESCRIPTION | US9364314 |
| DESCRIPTION | US9408734 |
| DESCRIPTION | US9408735 |
| DESCRIPTION | US9439751 |
| DESCRIPTION | US9554929 |
| DESCRIPTION | US9561124 |
| DESCRIPTION | US9592112 |
| DESCRIPTION | US9655712 |
| DESCRIPTION | US9827123 |
| DESCRIPTION | US9877857 |
| DESCRIPTION | US9907686 |
| EXAMINATION | EP2471498 |
| INTERNATIONAL-SEARCH-REPORT | WO0160285 |
| INTERNATIONAL-SEARCH-REPORT | WO2009148594 |
| INTERNATIONAL-SEARCH-REPORT | WO9703624 |
| INTERNATIONAL-SEARCH-REPORT | WO9748350 |
| OPPOSITION | AU2016256777B |
| OPPOSITION | EP2471498 |
| OPPOSITION | EP2745812 |
| OPPOSITION | EP3187155 |
| OPPOSITION | EP3272319 |
| OPPOSITION | EP3320881 |
| OPPOSITION | EP3395302 |
| OPPOSITION | EP3733124 |
| OPPOSITION | GB2464978 |
| OPPOSITION | US2003233140 |
| OPPOSITION | US2006004433 |
| OPPOSITION | US2008294234 |
| OPPOSITION | US2012323302 |
| OPPOSITION | US2014180378 |
| OPPOSITION | US2015051691 |
| OPPOSITION | US2016250050 |
| OPPOSITION | US2016278910 |
| OPPOSITION | US5713948 |
| OPPOSITION | US8172895 |
| OPPOSITION | US9226814 |
| OPPOSITION | US9278018 |
| OPPOSITION | WO0160285 |
| OPPOSITION | WO2009148594 |
| OPPOSITION | WO2017106156 |
| OPPOSITION | WO2018183563 |
| OPPOSITION | WO2019040326 |
| OPPOSITION | WO9703634 |
| OPPOSITION | WO9748350 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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Decision to grant a European patent
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Jun 17, 2022
(Electronic) Receipt
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Jun 17, 2022
Filing of the translations of the claims
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Jun 17, 2022
French translation of claims
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German translation of the claims
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(Electronic) Receipt
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Filing of the translations of the claims
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Intention to grant (signatures)
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended description with annotations
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Description
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Mar 4, 2021
Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Dec 3, 2020
Claims
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Dec 3, 2020
Letter accompanying subsequently filed items
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Dec 3, 2020
Jul 28, 2020
Annex to the communication
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Jul 28, 2020
Communication from the Examining Division
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Jul 17, 2020
Examination started
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Apr 4, 2020
(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Amendments received before examination
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Sep 10, 2019
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Information regarding early processing
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Apr 10, 2019
(Electronic) Receipt
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Apr 10, 2019
Request for entry into the European phase
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Dec 10, 2018
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Notification of the recording of a change
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Notification of the recording of a change
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Copy of the international search report
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Aug 30, 2018
Published international application - A1
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May 22, 2018
ISR: cited documents
PCTISA
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Annex
PCTISA
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Abstract
PCTISA
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Annex
PCTISA
Mar 8, 2018
Claims
PCTISA
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Description
PCTISA
Mar 8, 2018
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PCTISA
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